Espresso machine



FIG. 1 is a perspective view of an espresso machine;

FIG. 2 is a front view of an espresso machine;

FIG. 3 is a right side view of an espresso machine;

FIG. 4 is a rear view of an espresso machine;

FIG. 5 is a left side view of an espresso machine;

FIG. 6 is a top view of an espresson machine; and,

FIG. 7 is a bottom view of an espresso machine. 

The ornamental design for an espresso machine, as shown. 